More Sleep Metrics

Sleep insights watchOS 9
Apple

The Sleep app was a bit too underwhelming for a lot of users, but Apple plans to change that with watchOS 9.

Your Apple Watch will bring more features to the table, including the possibility to track the quality of your sleep. Your Apple Watch will use its accelerometer and heart rate sensor to detect if you’re in REM sleep (where most dreams occur), Core, or Deep Sleep stages.

You can track your sleep stages with the help of your iPhone or Apple Watch, and you’ll also get additional information like your heart and respiratory rates.

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